Peningkatan Hasil Belajar Dengan Menerapkan Model Problem Based Learning Berbantuan Media Papan Pintar Kelas Iv Di Sdn Kalicari 01. psnppg. 2023;1(2):1669-1676. Accessed August 11, 2026. https://conference.upgris.ac.id/index.php/psnppg/article/view/5303